A high-safety performance power meter analyzer
By introducing a sealed structure, backup power supply and dual power switching system, filtration device and heat sink into the power meter analyzer, the problems of power instability and environmental impact are solved, and the instrument can operate stably and have its lifespan extended.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGGUAN XINSIFANG TESTING TECH CO LTD
- Filing Date
- 2025-05-14
- Publication Date
- 2026-08-04
AI Technical Summary
Existing power meter analyzers are prone to damage in unstable power supply and harsh environments, affecting measurement accuracy and service life. Furthermore, dust and moisture entering the instrument can impede signal transmission and heat dissipation.
A high-safety power meter analyzer was designed, which adopts a sealed structure, backup power supply and automatic dual power supply switching, filter device and heat sink, combined with voltage regulator and thermistor thermometer to ensure power stability and internal environment cleanliness.
Ensure continuous and stable operation in complex electrical environments, reduce the impact of voltage fluctuations, extend service life, prevent dust and moisture from entering, and maintain measurement accuracy and instrument performance stability.
Smart Images

Figure CN224594730U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of measurement tool technology, specifically relating to a high-safety power meter analyzer. Background Technology
[0002] In the field of measurement instrument technology, power meter analyzers, as crucial instruments for accurately measuring electrical power and related parameters, are widely used in electronic engineering development, electronic equipment manufacturing, scientific research experiments, and many other fields. Power meter analyzers are expensive; however, power supply failures are a significant problem in their practical use. Power meter analyzers have extremely high requirements for power supply stability; any instability in the power supply will severely affect the instrument's measurement accuracy and normal operation. Moreover, when the instrument operates in harsh environments such as high temperature and humidity for extended periods, the power module is more susceptible to damage. Damage to the power module not only prevents the instrument from functioning properly but may also cause irreversible damage to other precision electronic components due to abnormal voltage, increasing maintenance costs and shortening the instrument's lifespan. On the other hand, dust can easily enter the instrument through heat dissipation holes and interface gaps, accumulating on the circuit board and altering electrical performance, affecting signal transmission and measurement accuracy. Excessive accumulation can also hinder heat dissipation, accelerate component aging, and cause short circuits and other malfunctions. Furthermore, dust can also affect optical components and wear down mechanical parts.
[0003] In summary, existing power meter analyzers have significant shortcomings in terms of power stability and durability during operation, and there is an urgent need for a new technical solution to improve their safety performance in order to meet the increasingly complex and demanding operating environments and work requirements. Utility Model Content
[0004] The purpose of this utility model is to provide a high-safety power meter analyzer, which aims to solve the technical problems of existing power meters, such as unstable power supply and harsh working environment (such as high temperature, humidity and dust), which lead to obstructed normal operation, easy damage to internal components, increased maintenance costs and shortened service life.
[0005] To achieve the above objectives, this utility model provides a high-safety power meter analyzer, characterized in that it includes a housing, a backup power supply, a filter device, a heat sink, and electrical components; the housing forms a sealed structure, and a partition plate is provided in the middle of the housing, which surrounds the housing and, in conjunction with the power meter, divides the space in the housing into an air inlet chamber and an air outlet chamber, preventing hot air from the power meter's exhaust port from flowing into the air inlet, while also providing support and limiting for the power meter; the backup power supply is located in the housing and connected to the electrical components; there are two filters, fixedly located at the bottom of the housing; the heat sink is located on the side of the housing near the power meter's air inlet; the electrical components include a thermistor thermometer, a voltage regulator, an inverter, a dual-power automatic transfer switch, LEDs, an automatic control switch, a DC power supply, and a power meter power interface.
[0006] Preferably, the bottom of the housing is provided with a support corner, which raises the housing to form a gap with the platform.
[0007] Preferably, a transparent plate and a keypad are provided at the front of the housing corresponding to the screen and buttons in the power meter. The keypad is made of a relatively soft and easily deformable material such as silicone or plastic. Pressing the keypad can press the corresponding buttons on the power meter.
[0008] Preferably, the housing has a top plate on top and a back plate at the rear. The top plate and back plate are fixedly connected to the housing by screws or other means, and a sealing gasket is provided between the top plate, back plate and the housing.
[0009] Preferably, a sealing frame is provided on the back plate at the position corresponding to the interface on the power meter. The sealing frame surrounds the interface and protrudes from the housing. A fixing plate is provided in the sealing frame. A connecting wire is fixed on the fixing plate. One end of the connecting wire is connected to the interface of the power meter, and the other end is fixed to the fixing plate for insertion of external devices.
[0010] Preferably, the housing is provided with multiple support blocks, which are located at the top, bottom, left, right, front, and back positions of the power meter, so that a cavity is formed between the power meter and the housing, and the power meter is provided with shock absorption.
[0011] Preferably, when the power supply is normal, the backup power supply does not participate in the power supply. When the electrical components detect that the backup power supply is below a threshold, they automatically charge the backup power supply. In the event of a power outage, the electrical components automatically control the backup power supply to supply power to the power meter.
[0012] Preferably, the two filter devices are located on both sides of the partition plate in the housing, and respectively serve to filter impurities such as dust and water vapor in the gas entering the housing, and to prevent unfiltered air from entering the housing through the air outlet.
[0013] Preferably, the voltage regulator is connected to the power meter's power interface at one end and to a dual-power automatic transfer switch at the other end; the dual-power automatic transfer switch is connected to the inverter and the DC power supply respectively; the other end of the inverter is connected to the backup power supply; and an automatic control switch is provided between the backup power supply and the DC power supply.
[0014] Preferably, the dual power supply automatic switching switch is connected to the LED beads. When the control DC power supply is working, the LED beads light up green; when the control backup power supply is working, the LED beads light up red. The DC power supply is also connected to the heat sink, and a thermistor thermometer is provided between the DC power supply and the heat sink.
[0015] The high-safety power meter analyzer provided in this embodiment of the utility model has at least one of the following technical effects: This invention discloses a high-safety power meter analyzer. Its electrical components include a backup power supply paired with a dual-power automatic transfer switch. In the event of an external power failure, the power supply can be quickly switched to ensure continuous and stable operation of the power meter, preventing data loss and measurement interruptions, and improving its reliability in complex electrical environments. Simultaneously, a voltage regulator monitors and adjusts the input voltage in real time, maintaining it within the range required by the power meter and reducing the impact of voltage fluctuations.
[0016] This utility model discloses a high-safety power meter analyzer. The housing, through a clever design and combined with a sealing frame, forms a sealed structure that effectively prevents external contaminants such as dust and moisture from entering the instrument. Simultaneously, the bottom filter device filters the air entering the housing, further reducing dust and moisture. This prevents dust and moisture from entering the power meter through its ventilation openings and accumulating on the circuit boards, optical components, and mechanical parts, thus reducing the probability of problems such as abnormal signal transmission, impaired heat dissipation, short circuits, and decreased optical measurement accuracy, and extending the instrument's service life.
[0017] This utility model discloses a high-safety power meter analyzer. The heat sink helps to reduce the operating temperature of the power meter, providing a suitable ambient temperature for its operation. The internal temperature of the casing is monitored in real time by a thermistor thermometer. When the temperature reaches a certain threshold, the heat sink is activated to cool the internal space of the casing, ensuring that the instrument always operates within a suitable temperature range, slowing down the aging of electronic components, and guaranteeing measurement accuracy and instrument performance stability.
[0018] This utility model discloses a high-safety power meter analyzer. Through the design of a sealing frame, not only is the housing sealed, but the connection method between the power meter interface and external devices is also optimized, avoiding damage to the power meter interface caused by frequent plugging and unplugging, thus improving the durability of the power meter interface. Multiple support blocks inside the housing provide stable support and shock absorption for the power meter, reducing damage to internal components and interfaces caused by mechanical stress, thereby extending the overall service life of the power meter. Attached Figure Description
[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0020] Figure 1 A perspective view of a high-safety power meter analyzer provided for an embodiment of this utility model.
[0021] Figure 2 A front view of a high-safety power meter analyzer provided for an embodiment of this utility model.
[0022] Figure 3 for Figure 2 Sectional view at point AA.
[0023] Figure 4 for Figure 2 Sectional view at point BB.
[0024] Figure 5 This is a schematic diagram of the electrical components in a high-safety power meter analyzer provided for an embodiment of the present invention.
[0025] The following are the labeling elements in the figure: 10— Shell 11— Supporting corners 12— Partition plate 13— Transparent plate 14— Keyboard 15— Top plate 16— Back plate 161— Sealing frame 162— Fixing plate 17— Support block 20— Backup power supply; 30— Filtering device; 40— Radiator; 50— Electrical components 51— Thermistor thermometer 52— Voltage regulator 53— Inverter 54— Dual power supply automatic transfer switch 55— LED beads 56— Automatic control switch 57— DC power supply 58— Power meter power interface. Detailed Implementation
[0026] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the embodiments of the present invention, and should not be construed as limiting the present invention.
[0027] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0029] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.
[0030] In one embodiment of this utility model, such as Figure 1-4 As shown, a high-safety power meter analyzer is provided, including a housing 10, a backup power supply 20, a filter device 30, a heat sink 40, and electrical components 50.
[0031] The housing 10 is designed to form a sealed structure and is divided into two internal areas. This ensures that the air intake of the power meter is not affected by the hot air discharged from the exhaust port. The sealed structure of the housing 10 effectively prevents external pollutants such as dust and moisture from entering the power meter. At the same time, the housing 10 also provides stable support and shock absorption for the power meter, reducing damage to internal components and interfaces caused by mechanical stress, thereby extending the overall service life of the power meter.
[0032] The bottom of the housing 10 is provided with a support corner 11, which serves to lift the housing 10 to form a gap with the table surface.
[0033] A partition plate 12 is provided in the middle of the interior of the housing 10, which surrounds the housing 10. The partition plate 12, in cooperation with the power meter, divides the space inside the housing 10 into two parts, left and right. Under the action of the fan inside the power meter, one side of the cavity inside the housing 10 forms an air inlet chamber and the other side forms an air outlet chamber. The partition plate 12 prevents hot air from the exhaust port of the power meter from flowing into the air inlet. At the same time, the partition plate 12 plays a supporting and limiting role for the power meter. Preferably, the partition plate 12 is made of flexible materials such as silicone or rubber, so that the partition plate 12 can play a role in partitioning, supporting and limiting, and damping the power meter at the same time.
[0034] A transparent plate 13 and a keypad 14 are provided at the front of the housing 10, corresponding to the screen and buttons in the power meter. The keypad 14 is made of soft and easily deformable materials such as silicone and plastic, so that pressing the keypad 14 can press the corresponding button on the power meter.
[0035] The housing 10 has a top plate 15 on top and a back plate 16 at the rear. The top plate 15 and back plate 16 are fixedly connected to the housing 10 by screws or other means. To ensure airtightness, a sealing gasket can be provided between the top plate 15, back plate 16 and the housing 10. The assembled design of the top plate 15 and back plate 16 makes it easy to place and remove the power meter. A sealing frame 161 is provided on the back plate 16 at a position corresponding to the interface on the power meter. The sealing frame 161 surrounds the interface and protrudes from the housing 10, thereby maintaining a sealed space inside the housing 10. A fixing plate 162 is provided in the sealing frame 161. A connecting wire is fixed on the fixing plate 162. One end of the connecting wire is connected to the interface of the power meter, and the other end is fixed to the fixing plate 162 for external devices to be inserted. The connecting wire improves the airtightness of the housing 10 and avoids frequent plugging and unplugging of external devices into the power meter interface, reducing the possibility of damage to the power meter.
[0036] The housing 10 has multiple support blocks 17 inside. The support blocks 17 are located above, below, left, right, front, and back of the power meter to support the power meter. The support of the support blocks 17 creates a cavity between the power meter and the housing 10, and also provides shock absorption for the power meter.
[0037] The backup power supply 20 is housed within the housing 10 and is connected to the electrical component 50. Under normal power conditions, the backup power supply 20 does not participate in power supply. When the electrical component 50 detects that the backup power supply 20's power level is below a threshold, it automatically charges the backup power supply 20. In the event of a power outage, the electrical component 50 automatically controls the backup power supply 20 to supply power to the power meter to prevent power meter data loss and measurement interruption.
[0038] There are two filter devices 30, which are fixedly installed at the bottom of the housing 10 and located on both sides of the partition plate 12 in the housing 10. They respectively filter dust, water vapor and other impurities in the gas entering the housing 10, and prevent unfiltered air from entering the housing 10 through the air outlet.
[0039] The radiator 40 is located on the side of the housing 10 near the air inlet of the power meter. The radiator generates cool air and lowers the temperature in the air inlet chamber, thereby reducing the temperature of the air entering the power meter under the action of the internal fan, and keeping the working environment of the power meter at a suitable temperature.
[0040] like Figure 5 As shown, the electrical component 50 includes: a thermistor thermometer 51, a voltage regulator 52, an inverter 53, a dual power supply automatic transfer switch 54, LED beads 55, an automatic control switch 56, a DC power supply 57, and a power meter power interface 58.
[0041] The voltage regulator 52 is connected to the power meter power interface 58 at one end and to the dual power automatic transfer switch 54 at the other end. The dual power automatic transfer switch 54 is connected to the inverter 53 and the DC power supply 57 respectively. The voltage regulator 52 stabilizes the voltage entering the power meter. The dual power automatic transfer switch 54 automatically switches the power supply that provides power to the power meter. When the DC power supply 57 normally provides power to the power meter power interface 58, the dual power automatic transfer switch 54 controls the backup power supply to stop supplying power. When the dual power automatic transfer switch 54 detects that the DC power supply 57 has stopped supplying power, it automatically switches the backup power supply 20 to supply power to the power meter power interface 58.
[0042] The dual power automatic transfer switch 54 is connected to an LED bead 55. When the dual power automatic transfer switch 54 controls the DC power supply 57 to work, the LED bead 55 lights up green. When the dual power automatic transfer switch 54 controls the backup power supply 20 to work, the LED bead 55 lights up red, thereby reminding the user of the current power status.
[0043] The other end of the inverter 53 is connected to the backup power supply 20. The inverter 53 ensures that the voltage output by the backup power supply 20 meets the requirements of the power meter. The backup power supply 20 is connected to the DC power supply 57, and an automatic control switch 56 is provided between the backup power supply 20 and the DC power supply 57. When the power of the backup power supply 20 is lower than the threshold, the automatic control switch 56 automatically turns on, and the DC power supply 57 charges the backup power supply 20, keeping the backup power supply 20 with sufficient power.
[0044] The DC power supply 57 is also connected to the heat sink 40, and a thermistor thermometer 51 is provided between the DC power supply 57 and the heat sink 40. The thermistor thermometer 51 is located near the air outlet of the power meter. When the thermistor thermometer 51 detects that the air outlet temperature is higher than the threshold, the heat sink 40 is activated.
[0045] The working principle of this utility model is as follows: A high-safety power meter analyzer has an external device connection cable inserted into a fixed plate 162, which connects to the power meter. The air entering the housing 10 is filtered by a filter device 30 to remove dust, moisture, and other impurities, keeping the power meter's internal working environment clean and tidy. When the temperature at the power meter's air outlet is too high, the thermistor thermometer 51 detects the high temperature, and the radiator 40 operates to generate cool air, lowering the temperature in the air inlet chamber and thus reducing the temperature inside the power meter. Under the action of the voltage regulator, the voltage input to the power meter remains stable. With the help of the backup power supply 20, when the DC power supply 57 fails, the power supply can be quickly switched to ensure the continuous and stable operation of the power meter, avoiding data loss and measurement stagnation, and improving its reliability in complex power environments.
[0046] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A high-safety power meter analyzer, characterized in that: Includes a housing (10), a backup power supply (20), a filter (30), a radiator (40), and electrical components (50); the housing (10) forms a sealed structure, and a partition plate (12) is provided in the middle of the interior of the housing (10). The partition plate (12) surrounds the housing (10) and, in conjunction with the power meter, divides the space in the housing (10) into an air inlet chamber and an air outlet chamber, preventing hot air from the power meter's exhaust port from flowing into the air inlet, while also providing support and limiting for the power meter; the backup power supply (20) The filter (30) is located in the housing (10) and connected to the electrical components (50); there are two filter devices (30), which are fixedly located at the bottom of the housing (10); the heat sink (40) is located on the side of the housing (10) near the air inlet of the power meter; the electrical components (50) include a thermistor thermometer (51), a voltage regulator (52), an inverter (53), a dual power supply automatic transfer switch (54), LED beads (55), an automatic control switch (56), a DC power supply (57), and a power meter power interface (58).
2. The high-safety power meter analyzer according to claim 1, characterized in that: The bottom of the housing (10) is provided with a support corner (11), which raises the housing (10) and forms a gap with the table surface.
3. The high-safety power meter analyzer according to claim 1, characterized in that: A transparent plate (13) and a keypad (14) are provided in front of the housing (10) at the positions corresponding to the screen and buttons in the power meter. The keypad (14) is made of a relatively soft and easily deformable material. By pressing the keypad (14), the corresponding buttons on the power meter can be pressed.
4. The high-safety power meter analyzer according to claim 1, characterized in that: The housing (10) has a top plate (15) on top and a back plate (16) at the rear. The top plate (15) and the back plate (16) are fixedly connected to the housing (10) by screws. A sealing gasket is provided between the top plate (15), the back plate (16) and the housing (10).
5. A high-safety power meter analyzer according to claim 4, characterized in that: A sealing frame (161) is provided on the back plate (16) at the position corresponding to the interface on the power meter. The sealing frame (161) surrounds the interface and protrudes from the housing (10). A fixing plate (162) is provided in the sealing frame (161). A connecting wire is fixed on the fixing plate (162). One end of the connecting wire is connected to the interface of the power meter, and the other end is fixed on the fixing plate (162) for external devices to be inserted.
6. A high-safety power meter analyzer according to claim 1, characterized in that: The housing (10) is provided with multiple support blocks (17) inside. The support blocks (17) are located at the top, bottom, left, right, front and back positions of the power meter, so that a cavity is formed between the power meter and the housing (10) and the power meter is provided with shock absorption.
7. A high-safety power meter analyzer according to claim 1, characterized in that: When the electrical component (50) detects that the power of the backup power supply (20) is lower than the threshold, it automatically charges the backup power supply (20); when a power outage occurs, the electrical component (50) automatically controls the backup power supply (20) to supply power to the power meter.
8. A high-safety power meter analyzer according to claim 1, characterized in that: The two filter devices (30) are located on both sides of the partition plate (12) in the housing (10), respectively, and serve to filter impurities in the gas entering the housing (10) and prevent unfiltered air from entering the housing (10) through the air outlet.
9. A high-safety power meter analyzer according to claim 1, characterized in that: The voltage regulator (52) is connected to the power meter power interface (58) and the other end is connected to the dual power automatic transfer switch (54); the dual power automatic transfer switch (54) is connected to the inverter (53) and the DC power supply (57) respectively; the other end of the inverter (53) is connected to the backup power supply (20); an automatic control switch (56) is provided between the backup power supply (20) and the DC power supply (57).
10. A high-safety power meter analyzer according to claim 9, characterized in that: The dual power supply automatic switching switch (54) is connected to the lamp bead (55). When the control DC power supply (57) is working, the lamp bead (55) lights up green; when the control backup power supply (20) is working, the lamp bead (55) lights up red. The DC power supply (57) is also connected to the heat sink (40), and a thermistor thermometer (51) is provided between the DC power supply (57) and the heat sink (40).